133 lines
3.9 KiB
TypeScript
133 lines
3.9 KiB
TypeScript
import { createHash } from 'crypto';
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import { Injectable, NotImplementedException } from '@nestjs/common';
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import * as QRCode from 'qrcode';
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import type {
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IWechatProvider,
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WechatCodeSession,
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WechatOAuthSession,
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WechatWxaCodeUnlimitedInput,
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} from './wechat.interface';
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/**
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* preV1 Mock 微信 Provider。
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*
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* 目的：让「微信授权登录」按钮在不接真实微信的情况下走通。前端仍按真实 OAuth 流程
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* （跳转 oauth-url → 回调携带 code），Mock 端将授权 URL 直接回跳并返回稳定 openId。
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* 后续填入 WX_APP_ID/WX_APP_SECRET 并置 MOCK_WECHAT=false 即切换到真实实现。
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*/
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@Injectable()
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export class WechatMockProvider implements IWechatProvider {
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isEnabled() {
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return true;
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}
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isMock() {
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return true;
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}
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isPayEnabled() {
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return false;
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}
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getMchId() {
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return '';
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}
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/** 由 code 派生稳定 openId，保证同一 code 多次授权指向同一账号 */
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private openIdFromCode(code: string): string {
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return `mockwx_${createHash('md5').update(code).digest('hex').slice(0, 24)}`;
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}
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async code2Session(code: string): Promise<WechatCodeSession> {
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return { openId: this.openIdFromCode(code), sessionKey: 'mock-session-key' };
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}
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async oauth2AccessToken(code: string): Promise<WechatOAuthSession> {
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return { openId: this.openIdFromCode(code), accessToken: 'mock-access-token' };
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}
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async fetchOAuthUserInfo(accessToken: string, openId: string) {
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return {
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openId,
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nickname: 'Mock微信用户',
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headImgUrl: `https://api.dicebear.com/7.x/avataaars/svg?seed=${encodeURIComponent(openId)}`,
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};
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}
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async createJssdkConfig(url: string) {
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return {
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appId: 'mock-appid',
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timestamp: Math.floor(Date.now() / 1000),
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nonceStr: 'mocknonce',
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signature: 'mocksignature',
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url,
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jsApiList: ['getLocation', 'scanQRCode', 'chooseImage'],
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} as unknown as Awaited<ReturnType<IWechatProvider['createJssdkConfig']>>;
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}
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/** 直接把授权链接回跳到 redirectUri 并附带 mock code，模拟微信授权完成 */
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buildOAuthUrl(redirectUri: string, state: string): string {
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const sep = redirectUri.includes('?') ? '&' : '?';
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const code = `mockcode_${state || 'default'}`;
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return `${redirectUri}${sep}code=${encodeURIComponent(code)}&state=${encodeURIComponent(state)}`;
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}
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async getPhoneNumberByCode(): Promise<string> {
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throw new NotImplementedException('Mock 微信不支持获取手机号，请用短信绑定');
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}
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createJsapiPrepay(): never {
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throw new NotImplementedException('FEATURE_DISABLED');
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}
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createNativePrepay(): never {
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throw new NotImplementedException('FEATURE_DISABLED');
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}
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parsePayNotification(): never {
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throw new NotImplementedException('FEATURE_DISABLED');
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}
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createDomesticRefund(): never {
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throw new NotImplementedException('FEATURE_DISABLED');
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}
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parseRefundNotification(): never {
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throw new NotImplementedException('FEATURE_DISABLED');
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}
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/** Mock：用普通二维码 PNG 占位，内容含 scene，便于本地联调上传 OSS */
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async getWxaCodeUnlimited(input: WechatWxaCodeUnlimitedInput): Promise<Buffer> {
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const scene = (input.scene ?? '').trim() || 'mock';
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return QRCode.toBuffer(`mock-wxa://promo?scene=${encodeURIComponent(scene)}`, {
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width: input.width ?? 430,
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margin: 1,
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type: 'png',
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color: { dark: '#1f1a17', light: '#ffffff' },
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});
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}
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async uploadShippingInfo() {
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return { errcode: 0, errmsg: 'ok' };
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}
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async getOrderShippingInfo() {
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return {
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errcode: 0,
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errmsg: 'ok',
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orderState: 3,
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finishShipping: true,
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};
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}
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async getDeliveryList() {
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return [
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{ deliveryId: 'SF', deliveryName: '顺丰速运' },
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{ deliveryId: 'STO', deliveryName: '申通快递' },
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{ deliveryId: 'YTO', deliveryName: '圆通速递' },
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{ deliveryId: 'ZTO', deliveryName: '中通快递' },
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{ deliveryId: 'YD', deliveryName: '韵达速递' },
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];
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}
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}
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